| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Ignatz | - | German | ||
| Ignazio | - | Italian | ||
| Igon | - | Basque | ||
| Igone | - | Basque | ||
| Igor | EE-gər (Russian), EE-gawr (Polish) | Russian, Polish, Slovene, Croatian, Serbian, Macedonian | ||
| Igraine | - | Arthurian Romance | ||
| Ihab | - | Arabic | ||
| Ihar | EE-khahr | Belarusian | ||
| Ihintza | - | Basque | ||
| Ihor | EE-hawr | Ukrainian | ||
| Ihsan | - | Arabic | ||
| Ikaia | - | Hawaiian | ||
| Ikaika | - | Hawaiian | ||
| Ikenna | - | Western African, Igbo | ||
| Iker | - | Basque |